CN107258828A - Composite antibacterial fibre element crisper and preparation method thereof - Google Patents
Composite antibacterial fibre element crisper and preparation method thereof Download PDFInfo
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- CN107258828A CN107258828A CN201710474373.6A CN201710474373A CN107258828A CN 107258828 A CN107258828 A CN 107258828A CN 201710474373 A CN201710474373 A CN 201710474373A CN 107258828 A CN107258828 A CN 107258828A
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- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
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- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
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- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
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Abstract
The invention discloses plain crisper of a kind of composite antibacterial fibre and preparation method thereof, antimicrobial component is extracted from wormwood, field pennycress, Sophora alopecuroide and smalt, and composite antibacterial material is prepared for together with ferro-compound and other auxiliary agents, moreover, above-mentioned material is dissolved in the agarose with loose structure by the present invention, and is coated on crisper surface.During routine use, agarose water suction makes article in crisper keep drying, on the other hand, even if there is bacteria breed, the crisper surface with agarose can be also grown on, and there is restraining and sterilizing bacteria active material in agarose, the bacterium in agarose can be killed.So, the environment for being unfavorable for bacterial growth had both been manufactured, and the purpose of sterilization, and the crisper environmental protection being made, safety, green non-pollution can be realized, and plant material derives from frequently seen plants raw material, cost is low, and manufacture craft is simple, with higher application value.
Description
Technical field
The present invention relates to antibacterial crisper, in particular it relates to a kind of composite antibacterial fibre element crisper and preparation method thereof.
Background technology
Now with the growing of shopping at network, increasing people selects the fresh class product of net purchase, but in transport
Due to the change of climatic environment product may be caused to go bad in way, particularly some freshs fruit of vegetables are, it is necessary to put into substantial amounts of money
Source carries out anti-bacterial refreshing storage and transport to it, virtually adds cost, reduces profit, it is often more important that wastes very
More extra resource.Similarly, the cosmetics of super quality and precious biological sample, containing biotic factor, are easy to by microorganism
Infringement, causes irremediable loss.
With the development of science and technology and the improvement of people's living standards, the health perception of people constantly strengthens, to daily
The health of articles for use especially food and cleaning for environment give higher attention.But in everyday environments, carefully
The invasive organisms such as bacterium, mould are ubiquitous, threaten the health of the mankind.The development and application of antibacterial crisper, can be effective
Ground reduces or avoided cross infection and the transmission of disease of bacterium.
In this regard, people conduct extensive research, at present using more it is common that adding in the material for making crisper
Plus chemical antiseptic, it is molded, because such antiseptic toxicity is big, can be all produced in melting extrusion process jointly with crisper
Some raw poisonous, irritating gases, and it is added in plastic packing product also easy migration precipitation, or even packaging can be gone to
Food, fruits and vegetables, medical etc. in, cause to use unsafe problems, these organic antibacterial agents are led in packaging for foodstuff and medical treatment
Domain does not allow addition usually.
The content of the invention
It is an object of the invention to provide plain crisper of a kind of composite antibacterial fibre and preparation method thereof, the pure day of the equipment choosing
Beneficial antibacterial composition is extracted in the right common plant material containing antimicrobial component, composite chemical antimicrobial component is prepared for antibacterial material
Material, and crisper surface is coated on, the crisper being made is environmentally friendly, safety, green non-pollution, and plant material is derived from
Frequently seen plants raw material, cost is low, and manufacture craft is simple, with higher application value.
To achieve these goals, the invention provides a kind of preparation method of the plain crisper of composite antibacterial fibre, including
Following steps:(1) by wormwood, field pennycress, Sophora alopecuroide and smalt, crush, soaked in ethanol solution, filtering obtains filtered fluid M1;
(2) agarose is mixed with sodium carbonate and water, adds glacial acetic acid and reacted, obtain M2;(3) by M1, M2, ferrous iron chemical combination
Thing, reducing agent, methylisothiazolinone and surfactant mixing, obtain M3;(4) M3 is coated in cellulose crisper
Wall, drying.
The present invention also provides a kind of composite antibacterial fibre plain crisper, is prepared according to previously described preparation method.
By above-mentioned technical proposal, the present invention is extracted antimicrobial component from wormwood, field pennycress, Sophora alopecuroide and smalt, and
Composite antibacterial material is prepared for together with ferro-compound and other auxiliary agents, and moreover, above-mentioned material is dissolved in by the present invention
In agarose with loose structure, and it is coated on crisper surface.During routine use, agarose water suction makes fresh-keeping
Article keeps drying in box, on the other hand, even if there is bacteria breed, can also be grown on the crisper surface with agarose, and
There is restraining and sterilizing bacteria active material in agarose, the bacterium in agarose can be killed.So, both manufactured and be unfavorable for bacterium life
Long environment, can realize the purpose of sterilization, and the crisper environmental protection being made, safety, green non-pollution again, and plant is former
Material derives from frequently seen plants raw material, and cost is low, and manufacture craft is simple, with higher application value.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points and any value of disclosed scope are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
To achieve these goals, the invention provides a kind of preparation method of the plain crisper of composite antibacterial fibre, including
Following steps:(1) by wormwood, field pennycress, Sophora alopecuroide and smalt, crush, soaked in ethanol solution, filtering obtains filtered fluid M1;
(2) agarose is mixed with sodium carbonate and water, adds glacial acetic acid and reacted, obtain M2;(3) by M1, M2, ferrous iron chemical combination
Thing, reducing agent, methylisothiazolinone and surfactant mixing, obtain M3;(4) M3 is coated in cellulose crisper
Wall, drying.
In the above-mentioned technical solutions, wormwood, field pennycress, Sophora alopecuroide and smalt can be fresh finished product or drying
Wormwood, field pennycress, Sophora alopecuroide and smalt, in order to beneficial in daily industrial production raw material preserve, it is preferable that wormwood, Patrinia scaniosaefolia
Grass, Sophora alopecuroide and smalt are dry wormwood, field pennycress, Sophora alopecuroide and smalt, and moisture content is not more than 5%.
In the above-mentioned technical solutions, agarose is linear polymer, basic structure be 1, the 3 β-D- galactolipins linked and
The long-chain that 3, the 6- inner ether-L- galactolipins that Isosorbide-5-Nitrae links alternately are connected, is common chemistry, biologic applications raw material.In this hair
In bright, agarose may be selected from food-grade agarose, also selected from technical grade agarose, can be according to the purposes of crisper, flexibly choosing
Select.
In the above-mentioned technical solutions, ferro-compound can be selected in relative broad range, in order to prepare safe green environmental protection
Composite bactericidal material, it is preferable that ferro-compound be frerrous chloride tetrahydrate, ferrous gluconate, ferrous citrate and
One or more in ferrous oxalate.
In the above-mentioned technical solutions, reducing agent can be selected in relative broad range, in order to prepare the compound of safe green environmental protection
Sterilization material, it is preferable that reducing agent is the one or more in sodium hypophosphite, ascorbic acid, glucose and citric acid.
In the above-mentioned technical solutions, surfactant can be selected in relative broad range, in order to prepare safe green environmental protection
Composite bactericidal material, it is preferable that surfactant is double octyl alkyl dimethyl ammonium chlorides, didecyl Dimethy ammonium chloride, ten
One or more in dialkyl group dimethylbenzylammonium chloride, HM98 polysiloxane quaternary ammoniums.
By above-mentioned technical proposal, the present invention is extracted antimicrobial component from wormwood, field pennycress, Sophora alopecuroide and smalt, and
Composite antibacterial material is prepared for together with ferro-compound and other auxiliary agents, and moreover, above-mentioned material is dissolved in by the present invention
In agarose with loose structure, and it is coated on crisper surface.During routine use, agarose water suction makes fresh-keeping
Article keeps drying in box, on the other hand, even if there is bacteria breed, can also be grown on the crisper surface with agarose, and
There is restraining and sterilizing bacteria active material in agarose, the bacterium in agarose can be killed.So, both manufactured and be unfavorable for bacterium life
Long environment, can realize the purpose of sterilization, and the crisper environmental protection being made, safety, green non-pollution again, and plant is former
Material derives from frequently seen plants raw material, and cost is low, and manufacture craft is simple, with higher application value.
In the above-mentioned technical solutions, the amount of the addition of each raw material can be selected in relative broad range, in order to prepare safe green
Environmental protection and the preferable composite bactericidal material of bactericidal effect, it is preferable that in parts by weight, in step (1), 8-12 parts of wormwood, Patrinia scaniosaefolia
It is careless 2-4 parts, 6-8 parts of Sophora alopecuroide, 4-6 parts of smalt, 40-60 parts of ethanol solution;Preferably, the concentration of ethanol is 60-75 in ethanol
Volume %.
In the above-mentioned technical solutions, the volume ratio of alcoholic solution can be selected in relative broad range, in order to prepare safe green ring
Protect and the preferable composite bactericidal material of bactericidal effect, it is preferable that preferably, the concentration of ethanol is 60-75 bodies in ethanol solution
Product %, preferred solvent is water.
In the above-mentioned technical solutions, the amount of the addition of each raw material can be selected in relative broad range, in order to prepare safe green
Environmental protection and the preferable composite bactericidal material of bactericidal effect, it is preferable that in parts by weight, in step (2), 20-30 parts of agarose, carbon
Sour sodium 3-5 parts, 5-7 parts of glacial acetic acid, 40-50 parts of water.
In the above-mentioned technical solutions, the amount of the addition of each raw material can be selected in relative broad range, in order to prepare safe green
Environmental protection and the preferable composite bactericidal material of bactericidal effect, it is preferable that in parts by weight, in step (3), 22-32 parts of M1, M2 8-
15 parts, 0.01-0.03 parts of ferro-compound, 0.1-0.2 parts of reducing agent, 1-2 parts of methylisothiazolinone, surfactant 2-
3 parts.
In the above-mentioned technical solutions, the amount of M3 coating can be selected in relative broad range, in order to prepare safe green environmental protection
And the preferable composite bactericidal material of bactericidal effect, it is preferable that in step (4), M3 coated weight is 9-16g/m2。
In the above-mentioned technical solutions, M3 application temperature can be selected in relative broad range, in order that M3 coatings are uniform, so that
Prepare safe green environmental protection and the preferable composite bactericidal material of bactericidal effect, it is preferable that in step (4), application temperature is 100-
120℃。
In the above-mentioned technical solutions, drying temperature can be selected in relative broad range, in order to prepare safe green environmental protection and kill
The preferable composite bactericidal material of bacterium effect, it is preferable that drying temperature is 80-90 DEG C.
In the above-mentioned technical solutions, the average grain diameter of wormwood after crushing, field pennycress, Sophora alopecuroide and smalt can be in relative broad range
Interior selection, for the extraction beneficial to antimicrobial component, so as to prepare safe green environmental protection and the preferable composite bactericidal material of bactericidal effect
Material, it is preferable that in step (1), wormwood after crushing, field pennycress, the average grain diameter of Sophora alopecuroide and smalt are less than 0.5mm.
In the above-mentioned technical solutions, in step (1), soaking conditionses can be selected in relative broad range, in order to beneficial to antibacterial into
The extraction divided, so as to prepare safe green environmental protection and the preferable composite bactericidal material of bactericidal effect, it is preferable that in step (1), leaching
It is 50-60 DEG C to steep temperature.
In the above-mentioned technical solutions, in step (1), soak time can be selected in relative broad range, in order to beneficial to antibacterial into
The extraction divided, so as to prepare safe green environmental protection and the preferable composite bactericidal material of bactericidal effect, and improves operating efficiency, excellent
Selection of land, soak time is 12-36h.
In the above-mentioned technical solutions, in step (2), the reaction time can select in relative broad range, porous in order to prepare
Sepharose material, so that absorption beneficial to antimicrobial component and scattered, further prepares safe green environmental protection and bactericidal effect is preferable
Composite bactericidal material, it is preferable that in step (2), the reaction time is 20-40min.
In the above-mentioned technical solutions, in step (3), mixing condition can be selected in relative broad range, in order to beneficial to antibacterial into
Point absorption and scattered, further prepare safe green environmental protection and the preferable composite bactericidal material of bactericidal effect, it is preferable that step
(3) in, mixing temperature is 62-82 DEG C.
In the above-mentioned technical solutions, for the absorption beneficial to antimicrobial component and scattered, safe green environmental protection is further prepared
And the preferable composite bactericidal material of bactericidal effect, while operating efficiency is improved, it is highly preferred that in step (3), incorporation time is
30-45min。
The present invention also provides a kind of composite antibacterial fibre plain crisper, is prepared according to previously described preparation method.
During routine use, agarose water suction makes article in crisper keep drying, on the other hand, even if there is bacteria breed,
The crisper surface with agarose can be grown on, and there is restraining and sterilizing bacteria active material in agarose, can be by agarose
Bacterium kills.So, the environment for being unfavorable for bacterial growth had both been manufactured, the purpose of sterilization can be realized again, and be made
Crisper environmental protection, safety, green non-pollution, and plant material derives from frequently seen plants raw material, cost is low, and manufacture craft is simple,
With higher application value.
The present invention will be described in detail by way of examples below.Wormwood, field pennycress, Sophora alopecuroide and smalt are purchased from Sichuan
Xu Tai plant materials Co., Ltd, other are company's conventional commercial product.
Embodiment 1
The plain crisper of composite antibacterial fibre is prepared to comprise the following steps:
(1) in parts by weight, by 8 parts of wormwood, 2 parts of field pennycress, 6 parts of Sophora alopecuroide, 4 parts of smalt is crushed to average grain diameter small
In 0.5mm, 12h is soaked in 50 DEG C in 40 parts of volume ratios are 60% ethanol water, filtering obtains filtered fluid M1;
(2) in parts by weight, by 20 parts of agarose, 3 parts of sodium carbonate, 40 parts of mixing of water add 5 parts of reactions of glacial acetic acid
20min, obtains M2;
(3) in parts by weight, by 22 parts of M1,8 parts of M2,0.01 part of ferrous gluconate, 0.1 part of ascorbic acid, methyl is different
1 part of thiazolinone, 2 parts of dimethyl benzyl ammonium chloride mixes 30min in 62 DEG C, obtains M3;
(4) M3 is coated on to the inwall of cellulose crisper in 100 DEG C, M3 coated weight is 9g/m2, 80 DEG C of drying.
Embodiment 2
The plain crisper of composite antibacterial fibre is prepared to comprise the following steps:
(1) in parts by weight, by 12 parts of wormwood, 4 parts of field pennycress, 8 parts of Sophora alopecuroide, 6 parts of smalt is crushed to average grain diameter small
In 0.5mm, 36h is soaked in 60 DEG C in 60 parts of volume ratios is 75% ethanol waters, filtering obtains filtered fluid M1;
(2) in parts by weight, by 30 parts of agarose, 5 parts of sodium carbonate, 50 parts of mixing of water add 7 parts of reactions of glacial acetic acid
40min, obtains M2;
(3) in parts by weight, by 32 parts of M1,15 parts of M2,0.03 part of ferrous gluconate, 0.2 part of ascorbic acid, methyl is different
2 parts of thiazolinone, 3 parts of dimethyl benzyl ammonium chloride mixes 45min in 82 DEG C, obtains M3;
(4) M3 is coated on to the inwall of cellulose crisper in 120 DEG C, M3 coated weight is 16g/m2, 90 DEG C of drying.
Embodiment 3
The plain crisper of composite antibacterial fibre is prepared to comprise the following steps:
(1) in parts by weight, by 10 parts of wormwood, 3 parts of field pennycress, 7 parts of Sophora alopecuroide, 5 parts of smalt is crushed to average grain diameter small
In 0.5mm, 24h is soaked in 55 DEG C in 50 parts of volume ratios are 68% ethanol water, filtering obtains filtered fluid M1;
(2) in parts by weight, by 25 parts of agarose, 4 parts of sodium carbonate, 45 parts of mixing of water add 6 parts of reactions of glacial acetic acid
30min, obtains M2;
(3) in parts by weight, by 27 parts of M1,12 parts of M2,0.02 part of ferrous gluconate, 0.15 part of ascorbic acid, methyl
1.5 parts of OIT, 2.5 parts of dimethyl benzyl ammonium chloride mixes 38min in 72 DEG C, obtains M3;
(4) M3 is coated on to the inwall of cellulose crisper in 110 DEG C, M3 coated weight is 12.5g/m2, 85 DEG C of drying.
Comparative example 1
Method according to embodiment 3 prepares antibacterial cellulose crisper, unlike, without M1 in step (3).
Comparative example 2
Method according to embodiment 3 prepares antibacterial cellulose crisper, unlike, without M2 in step (3).
Comparative example 3
Method according to embodiment 3 prepares antibacterial cellulose crisper, unlike, without gluconic acid in step (3)
It is ferrous.
Comparative example 4
Method according to embodiment 3 prepares antibacterial cellulose crisper, unlike, step replaces carbonic acid in (2) with water
Sodium and glacial acetic acid.
Detect example
The crisper prepared from above-described embodiment and comparative example take specification be 10cm × 10cm × 5cm sample carry out with
Lower detection:Packaging for foodstuff products formed sanitary standard detects that correspondence standard is GB9687-1998;Bacteriostasis rate detection, correspondence standard
GB/T2591-2003;Mould proof grade detection, corresponding standard A STMG21-96.Testing result is as shown in table 1.
Table 1
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. the preparation method of the plain crisper of a kind of composite antibacterial fibre, it is characterised in that comprise the following steps:
(1) by wormwood, field pennycress, Sophora alopecuroide and smalt, crush, soaked in ethanol solution, filtering obtains filtered fluid M1;
(2) agarose is mixed with sodium carbonate and water, adds glacial acetic acid and reacted, obtain M2;
(3) M1, M2, ferro-compound, reducing agent, methylisothiazolinone and surfactant are mixed, obtains M3;
(4) M3 is coated on to the inwall of cellulose crisper, dried.
2. preparation method according to claim 1, wherein, in parts by weight, in step (1), 8-12 parts of wormwood, field pennycress
2-4 parts, 6-8 parts of Sophora alopecuroide, 4-6 parts of smalt, 40-60 parts of ethanol solution;Preferably, the concentration of ethanol is 60-75 bodies in ethanol
Product %.
3. preparation method according to claim 1, wherein, in parts by weight, in step (2), 20-30 parts of agarose, carbon
Sour sodium 3-5 parts, 5-7 parts of glacial acetic acid, 40-50 parts of water;
And/or, in parts by weight, in step (3), 22-32 parts of M1,8-15 parts of M2,0.01-0.03 parts of ferro-compound,
0.1-0.2 parts of reducing agent, 1-2 parts of methylisothiazolinone, 2-3 parts of surfactant.
4. preparation method according to claim 1, wherein, ferro-compound is that ferro-compound is frerrous chloride four
One or more in hydrate, ferrous gluconate, ferrous citrate and ferrous oxalate;
And/or, reducing agent is the one or more in sodium hypophosphite, ascorbic acid, glucose and citric acid;
And/or, surfactant is double octyl alkyl dimethyl ammonium chlorides, didecyl Dimethy ammonium chloride, dimethyl
One or more in benzyl ammonium chloride, HM98 polysiloxane quaternary ammoniums.
5. preparation method according to claim 1, wherein, in step (4), M3 coated weight is 9-16g/m2。
6. preparation method according to claim 1, wherein, in step (4), application temperature is 100-120 DEG C;And/or, dry
Dry temperature is 80-90 DEG C.
7. preparation method according to claim 1, wherein, in step (1), wormwood after crushing, field pennycress, Sophora alopecuroide and big
Blue or green average grain diameter is less than 0.5mm.
8. preparation method according to claim 1, wherein, in step (1), soaking temperature is 50-60 DEG C;And/or, immersion
Time is 12-36h.
9. preparation method according to claim 1, wherein, in step (2), the reaction time is 20-40min;And/or, step
Suddenly in (3), mixing temperature is 62-82 DEG C;Incorporation time is 30-45min.
10. a kind of plain crisper of composite antibacterial fibre, it is characterised in that the preparation according to any one of claim 1-9
Method is prepared.
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EP3932201A1 (en) * | 2020-07-03 | 2022-01-05 | Uniwersytet Ekonomiczny W Poznaniu | Antimicrobial preparation based on iron and plant extract, method of its preparation and application |
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